66 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... methotrexate) • Drugs Autoimmune ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... #Hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm Signs ... Hemolysis: • Autoimmune ... Hypersplenism, Infection ... Matthew Ho, MD PhD ... Diagnosis #Algorithm #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... Extravascular #Causes ... differential #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... inflammatory disorders (e.g ... . autoimmune, TB ... Myelodysplastic syndrome ... #hematology #secondary
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... , holster sign, ... anti-synthetase syndrome ... after 2 years of treatment ... Myositis #diagnosis #rheumatology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug treatment ... Constitutional disorders, eg ... neutropenia, Kostmann syndrome ... Chediak-Higashi syndrome ... #hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... thrombocythemia), Autoimmune ... vonWillebrand #Syndrome ... Diagnosis #Management #treatment ... #hematology #differential
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Polyarteritis Nodosa (PAN ... immunosuppressive agent (e.g ... @MithuRheum #PAN ... Vasculitis #Management #Treatment ... Guidelines #algorithm #rheumatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... (e.g. ... Lymphadenopathy #LAD ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology